Arista Networks, Inc. — Director's Dealing 2016

Aug 17, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arista Networks, Inc. (ANET)
CIK: 0001596532
Period of Report: 2016-08-15

Reporting Person: Smith Mark Stephen (Sr. VP, Worldwide Sales)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-08-10	Common Stock	G	5000.0	$0.0	Disposed	79250	Indirect
2016-08-15	Common Stock	M	5000.0	$4.18	Acquired	84250	Indirect
2016-08-15	Common Stock	S	1200.0	$76.2563	Disposed	83050	Indirect
2016-08-15	Common Stock	S	1000.0	$77.037	Disposed	82050	Indirect
2016-08-15	Common Stock	S	2800.0	$78.0121	Disposed	79250	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-08-15	Non-Qualified Stock Option (right to buy)	$4.18	M	5000.0	Disposed	2022-12-26	Common Stock (5000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1244	Direct

Footnotes

F1: These shares are held by a family trust for which the reporting person is a co-trustee.

F2: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2016, as amended on June 2, 2016.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.60 to $76.585, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $76.63 to $77.37, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $77.65 to $78.29, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6: 1/5th of the shares subject to the option shall vest and become exercisable on December 3, 2013 and 1/60th of the shares subject to the option shall vest each month thereafter.